Revenue - Schedule of Revenue from Subscription and Transaction Fees Disaggregated by Customer Category (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2023	Dec. 31, 2022
Disaggregation Of Revenue [Line Items]
Total revenue	$ 318,495	$ 260,006	$ 623,480	$ 489,930
Subscription and transaction fees
Disaggregation Of Revenue [Line Items]
Total revenue	274,992	231,095	540,134	445,706
Subscription and transaction fees | Small-to-midsize businesses, accounting firms, spending businesses and other
Disaggregation Of Revenue [Line Items]
Total revenue	269,845	220,406	530,049	425,227
Subscription and transaction fees | Financial institutions
Disaggregation Of Revenue [Line Items]
Total revenue	5,147	10,689	10,085	20,479
Interest on funds held for customers
Disaggregation Of Revenue [Line Items]
Total revenue	$ 43,503	$ 28,911	$ 83,346	$ 44,224